autsullivan7682 autsullivan7682
  • 19-12-2022
  • Physics
contestada

brittany stands at rest on a skateboard. the combined mass of brittany and the skateboard is 50 kg . dave tosses a 3.7-kg pumpkin to brittany, and when she catches it, she and the skateboard begin to roll backward with a speed of 0.14 m/s .what was the speed of the pumpkin?

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